The Old Network before
2004

CHTO IRIS/GSN

-The first seismic station was established in1963 at Chiangmai. It used to be WWSSN but now it has been upgraded to be Global Seismic Network (GSN).

-The sensor was installed at the bottom of borehole 350 feet deep from the ground.

-The user can retrieve the waveform data through internet in real time.

Sensor and Vault